seedance-1-0-pro-250528 (image to video) - GPTProto API Documentation

BytePlus’s GPTProto format for the image to video API.

curl --location 'https://gptproto.com/api/v3/bytedance/seedance-1-0-pro-250528/image-to-video' \
--header 'Authorization: sk-xx' \
--header 'Content-Type: application/json' \
--data '{
    "prompt": "Tail flick slow-motion, cut to POV shot through window of sparrows taking flight, ending with resigned yawn",
    "image":"https://d1q70pf5vjeyhc.cloudfront.net/media/92d2d4ca66f84793adcb20742b15d262/images/1753708615921599101_VpKMX8di.png",
    "last_image":"",
    "duration": 5,
    "aspect_ratio": "1:1",
    "camera_fixed": false,
    "resolution": "480p",
    "seed": -1
}'

{
  "error": {
    "message": "Invalid signature",
    "type": "401"
  }
}

Parameters

Parameter	Type	Required	Default	Description
`camerafixed`	boolean	❌ No	`false`	Camerafixed parameter
`content`	array	❌ No	`[{"type": "image_url", "image_url": "https://ark-project.tos-cn-beijing.volces.com/doc_image/seedream_i2i.jpeg"}, {"type": "text", "text": "The camera pans from left to right, revealing the full scene of the image"}]`	Video generation prompt. Can include parameters like —ratio (16:9, 9:16, 1:1), —resolution (480p, 720p, 1080p), —duration (5-10s), —camerafixed (true/false)
`framepersecond`	integer	❌ No	`24`	Framepersecond parameter
`model`	string	✅ Yes	`seedance-1-0-pro-250528`	The model to use for the request
`ratio`	string	❌ No	`16:9`	Ratio parameter
`resolution`	string	❌ No	`1080p`	Resolution parameter
`seed`	integer	❌ No	`-1`	Seed parameter
`watermark`	boolean	❌ No	`false`	Watermark parameter

API Reference

​Parameters

Parameters